#!/bin/sh
#
# @configure_input@
#
# Copyright (C) 1997 Free Software Foundation, Inc.
#
# Author: Ovidiu Predescu <ovidiu@net-community.com>
# Date: October 1997
# Author: Nicola Pero <n.pero@mi.flashnet.it>
# Date: 2002
#
# This file is part of the GNUstep Makefile Package.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
# 
# You should have received a copy of the GNU General Public
# License along with this library; see the file COPYING.LIB.
# If not, write to the Free Software Foundation,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

# Try to execute the application passed as argument. The application is
# searched through the GNUstep directories if a complete or relative path name
# is not specified. The arguments passed after the application name are passed
# unmodified to the application.

if [ -z "$1" ]; then
  echo usage: openapp [--find] application [arguments...]
  echo openapp --help for more help
  exit 1
fi

if [ -z "$GNUSTEP_FLATTENED" ]; then
  GNUSTEP_FLATTENED=@GNUSTEP_FLATTENED@
fi

only_find=

# TODO: implement a --library-combo parameter
case "$1" in
  --help)
    echo usage: openapp [--find] application [arguments...]
    echo
    echo application is the complete or relative name of the application
    echo program with or without the .app extension, like Ink.app.
    echo
    echo [arguments...] are the arguments to the application.     
    echo 
    echo If --find is used as first argument, openapp prints out
    echo the full path of the application executable which would be 
    echo executed, without actually executing it as it would normally do.
    echo 
    exit 0
    ;;
  --find)
    only_find=yes;
    if [ -z "$2" ]; then
      echo Missing application name.  Please try openapp --help for more help.
      exit 1
    fi
    app="$2"; shift; shift;;
  *)
    app="$1"; shift;;
esac

# Remove leading slashes at the end of the application name
app="`echo \"$app\" | sed 's%/*$%%'`"

# Now build the list of directory names we look for.  If the user has
# given us a full application directory name (for example, Gorm.app)
# then we only search for the given directory name; if instead the
# user has given us the application name without the suffix (for
# example, 'Gorm') we want to search for Gorm.app, then for
# Gorm.debug, then for Gorm.profile (in that order).
# If the appname is known, save it to avoid running a grep later to get it.
case "$app" in
  *.app)     app_list="$app"; appname="";;
  *.debug)   app_list="$app"; appname="";;
  *.profile) app_list="$app"; appname="";;
  *)         app_list="$app.app:$app.debug:$app.profile"; appname="$app";
esac

old_IFS="$IFS"
IFS=:
case "$app" in
  /*) # An absolute path.
      for appdir in $app_list; do
	#echo "$appdir"
        if [ -d "$appdir" ]; then
	   full_appname="$appdir"
	   break
        fi
      done;;
    */*) # A relative path
      for appdir in $app_list; do
	#echo "$appdir"
         if [ -d "$appdir" ]; then
	   full_appname="`(cd \"$appdir\"; pwd)`"
	   break
	 fi
      done;;
    *)  # A path that should be searched into the GNUstep paths
      if [ -n "$GNUSTEP_PATHLIST" ]; then
        SPATH="$GNUSTEP_PATHLIST"
      else
        SPATH="$PATH"
      fi
        SPATH=".:$SPATH"

      for dir in $SPATH; do
        for appdir in $app_list; do
          # First, search in $dir/Applications/any_path_here/$appdir
          #echo "$dir/Applications/"'*'"/$appdir"
 	  for d in $dir/Applications/*/$appdir ; do
	    # If nothing is found, * expands to '*'.  Check that it's
	    # not the case, and that we have a real match.
	    if [ "$d" != "$dir/Applications/"'*'"/$appdir" ]; then
	      #echo "  $d"
	      if [ -d "$d" ]; then
	        full_appname="`(cd \"$d\"; pwd)`"
	        break 3
	      fi
	    fi
	  done
	  # Now, in $dir/Applications/$appdir
	  #echo "$dir/Applications/$appdir"
	  if [ -d "$dir/Applications/$appdir" ]; then
	    full_appname="`(cd \"$dir/Applications/$appdir\"; pwd)`"
	    break 2
	  fi
	  # Finally, in $dir/$appdir
	  #echo "$dir/$appdir"
	  if [ -d "$dir/$appdir" ]; then
	    full_appname="`(cd \"$dir/$appdir\"; pwd)`"
	    break 2
	  fi
	done
      done;;
esac
IFS="$old_IFS"
unset app_list
unset appdir

if [ -z "$full_appname" ]; then
  echo "Can't find the required application: $app!"
  exit 1
fi

#echo "found: $full_appname"

# get base app name
if [ -z "$appname" ]; then
  appname="`echo \"$app\" | sed 's/\.[a-z]*$//'`"
fi
appname="`basename \"$appname\"`"

if [ -n "$GNUSTEP_FLATTENED" ]; then

  if [ -z "$EXEEXT" ]; then
    EXEEXT=@EXEEXT@
  fi

  if [ -n "$EXEEXT" ]; then
    appname="$appname$EXEEXT"
  fi

fi

case "$LIBRARY_COMBO" in
  apple-*) app_executable="$full_appname/Contents/MacOS/$appname";;
  *)       app_executable="$full_appname/$appname";;
esac

if [ ! -f "$app_executable" ]; then
  echo "Could not find $app_executable executable/script"
  exit 1
fi

if [ -n "$only_find" ]; then
  echo "$app_executable"
  exit 0
fi

exec "$app_executable" "$@"
